A set of 9 Filters. Nispira 3-in-1 True HEPA Filter Replacement matching with KOIOS and MOOKA Air Cleaner Air Purifier Model PM1220

superior meets or exceeds leading national brand. 100% customer satisfaction guaranteed. Suggest to replace every 6 months to optimize the performance. A set of 9 brand new filters included. Pre-filter with activated carbon helps trap visible dust such as hair/ dust and remove unfavorable household smell Approximate Dimensions: 5 x 4.2 x 1.2. Nispira HEPA filter replacement appropriate with Koios and Mooka Air Purifier Model PM1220 High superior HEPA filter capture 99.97% of airborne particles down to 0.3 microns